Deodorizing Urinal Screen Contains Powerful Enzymes That Clean And Eliminate Odors. Strong, Gradual Fragrance Release Ensures Freshness For 30 Days. Plastic Material Contains Up To 12 Times More Fragrance Than Vinyl Screens. Unique Design Prevents Embarrassing Splashback And Reduces Cleaning Time. Elevated Risers On The Bottom Eliminate Trapped Urine To Prevent Additional Odor. Flexible Material Conforms To The Urinal To Trap Debris. Urinal Screen Is Safe For Use In Waterless Urinals..